Time left 1:48:27 Question 24 Not yet answered All contemporary computer designs are based on concepts developed by: Marked out of 1.00 O a. Ekert and Mauchly Flag question O b. John von Neumann O c. Intel Corporation O d. International Business Machines (IBM) Previous page Next page Time left 1:48:18 Question 23 Not yet answered Which one of the following is not always needed to interface to an I/O module? Marked out of 1.00 a. Control Flag question O b. Data O c. Clock O d. Status signals Previous page Next page